[PATCH 01/11] wifi: ath12k: fix endianness handling in QMI host capability request

[Alexander Wilhelm <alexander.wilhelm@westermo.com>]

Ensure proper endianness support for big-endian platforms by correcting
data types in the QMI host capability request message and its associated
structures. Add missing byte swaps wherever these structures are
accessed or modified.

Fixes: d889913205cf ("wifi: ath12k: driver for Qualcomm Wi-Fi 7 devices")
Signed-off-by: Alexander Wilhelm <alexander.wilhelm@westermo.com>
---
 drivers/net/wireless/ath/ath12k/qmi.c |  9 +++++----
 drivers/net/wireless/ath/ath12k/qmi.h | 24 ++++++++++++------------
 2 files changed, 17 insertions(+), 16 deletions(-)

diff --git a/drivers/net/wireless/ath/ath12k/qmi.c b/drivers/net/wireless/ath/ath12k/qmi.c
index 7c611a1fd6d0..2287ed87dae8 100644
--- a/drivers/net/wireless/ath/ath12k/qmi.c
+++ b/drivers/net/wireless/ath/ath12k/qmi.c
@@ -2073,14 +2073,14 @@ static int ath12k_host_cap_parse_mlo(struct ath12k_base *ab,
 	req->mlo_capable_valid = 1;
 	req->mlo_capable = 1;
 	req->mlo_chip_id_valid = 1;
-	req->mlo_chip_id = ab->device_id;
+	req->mlo_chip_id = cpu_to_le16(ab->device_id);
 	req->mlo_group_id_valid = 1;
 	req->mlo_group_id = ag->id;
 	req->max_mlo_peer_valid = 1;
 	/* Max peer number generally won't change for the same device
 	 * but needs to be synced with host driver.
 	 */
-	req->max_mlo_peer = ab->hw_params->max_mlo_peer;
+	req->max_mlo_peer = cpu_to_le16(ab->hw_params->max_mlo_peer);
 	req->mlo_num_chips_valid = 1;
 	req->mlo_num_chips = ag->num_devices;
 
@@ -2164,7 +2164,7 @@ int ath12k_qmi_host_cap_send(struct ath12k_base *ab)
 	int ret = 0;
 
 	req.num_clients_valid = 1;
-	req.num_clients = 1;
+	req.num_clients = cpu_to_le32(1);
 	req.mem_cfg_mode = ab->qmi.target_mem_mode;
 	req.mem_cfg_mode_valid = 1;
 	req.bdf_support_valid = 1;
@@ -2182,7 +2182,8 @@ int ath12k_qmi_host_cap_send(struct ath12k_base *ab)
 
 	if (ab->hw_params->qmi_cnss_feature_bitmap) {
 		req.feature_list_valid = 1;
-		req.feature_list = ab->hw_params->qmi_cnss_feature_bitmap;
+		req.feature_list =
+			cpu_to_le64(ab->hw_params->qmi_cnss_feature_bitmap);
 	}
 
 	/* BRINGUP: here we are piggybacking a lot of stuff using
diff --git a/drivers/net/wireless/ath/ath12k/qmi.h b/drivers/net/wireless/ath/ath12k/qmi.h
index abdaade3b542..ed7808fe2b71 100644
--- a/drivers/net/wireless/ath/ath12k/qmi.h
+++ b/drivers/net/wireless/ath/ath12k/qmi.h
@@ -164,8 +164,8 @@ struct ath12k_qmi {
 #define QMI_WLANFW_MAX_HOST_DDR_RANGE_SIZE_V01		3
 
 struct qmi_wlanfw_host_ddr_range {
-	u64 start;
-	u64 size;
+	__le64 start;
+	__le64 size;
 };
 
 enum ath12k_qmi_target_mem {
@@ -205,12 +205,12 @@ enum ath12k_qmi_cnss_feature {
 
 struct qmi_wlanfw_host_cap_req_msg_v01 {
 	u8 num_clients_valid;
-	u32 num_clients;
+	__le32 num_clients;
 	u8 wake_msi_valid;
-	u32 wake_msi;
+	__le32 wake_msi;
 	u8 gpios_valid;
-	u32 gpios_len;
-	u32 gpios[QMI_WLFW_MAX_NUM_GPIO_V01];
+	__le32 gpios_len;
+	__le32 gpios[QMI_WLFW_MAX_NUM_GPIO_V01];
 	u8 nm_modem_valid;
 	u8 nm_modem;
 	u8 bdf_support_valid;
@@ -228,31 +228,31 @@ struct qmi_wlanfw_host_cap_req_msg_v01 {
 	u8 cal_done_valid;
 	u8 cal_done;
 	u8 mem_bucket_valid;
-	u32 mem_bucket;
+	__le32 mem_bucket;
 	u8 mem_cfg_mode_valid;
 	u8 mem_cfg_mode;
 	u8 cal_duration_valid;
-	u16 cal_duraiton;
+	__le16 cal_duraiton;
 	u8 platform_name_valid;
 	char platform_name[QMI_WLANFW_MAX_PLATFORM_NAME_LEN_V01 + 1];
 	u8 ddr_range_valid;
 	struct qmi_wlanfw_host_ddr_range ddr_range[QMI_WLANFW_MAX_HOST_DDR_RANGE_SIZE_V01];
 	u8 host_build_type_valid;
-	enum qmi_wlanfw_host_build_type host_build_type;
+	__le32 host_build_type;
 	u8 mlo_capable_valid;
 	u8 mlo_capable;
 	u8 mlo_chip_id_valid;
-	u16 mlo_chip_id;
+	__le16 mlo_chip_id;
 	u8 mlo_group_id_valid;
 	u8 mlo_group_id;
 	u8 max_mlo_peer_valid;
-	u16 max_mlo_peer;
+	__le16 max_mlo_peer;
 	u8 mlo_num_chips_valid;
 	u8 mlo_num_chips;
 	u8 mlo_chip_info_valid;
 	struct wlfw_host_mlo_chip_info_s_v01 mlo_chip_info[QMI_WLFW_MAX_NUM_MLO_CHIPS_V01];
 	u8 feature_list_valid;
-	u64 feature_list;
+	__le64 feature_list;
 
 };
 
-- 
2.34.1